Ricoh Aficio MP C2030, Service Manual

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SC Tables
D037/D038/D040/D041 4-42 SM Appendix
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
687 D
Memory address command error
The BCU does not receive a memory address command from the
controller for the prescribed time after the paper has reached the
registration sensor.
ƒ
Harness Disconnection at BCU
ƒ
Controller board loose or broken
ƒ Defective BCU
ƒ Defective i-controller
1. Check if the controller is firmly connected to the BCU.
2. Replace
the BCU.
3. Replace the i-controller.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
690 D
GAVD communication error
ƒ The I2C bus device ID is not identified during initialization.
ƒ A device-status error occurs during I2C bus communication.
ƒ The I2C bus communication is not established due to an error other
than a buffer shortage.
ƒ Loose connection
ƒ Defective BCU
ƒ Defective LD controller board
1. Turn the main switch off and on.
2. Check the cable connection.
3. Replace the laser unit.
4. Replace the BCU board.
4.1.8 SC7XX: PERIPHERALS
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
730 B
Shift tray motor error
The shift tray HP sensor does not activate within 1.86 seconds after the
shift tray motor starts to move at power on or copying. The 1st
detection failure issues a jam error, and the 2nd failure issues this SC
code.
ƒ Defective shift tray motor
ƒ Defective shift tray HP sensor.
Rev. 04/29/2011